If the origin of life broadly conforms to the oparin-haldane model, then early in life's origin there was not a distinction between genotype and phenotype. describe at least two features that distinguish genotype from phenotype . at what stage in the evolution of life would it have been possible to make this distinction? explain your answer.

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

Select the word from the list that best fits the definition a system made of 25 satellites